What was found
AFTER TAKEOFF, BLEED 1 FAIL AND BLEED 1 OVERPRESSURE MESSAGE DISPLAYED ON EICAS. QR4 PROCEDURES COMPLIED WITH. FOUND NACELLE PRSOV TO BE LOCKED IN THE OPEN POSITION, RECONFIGURED VALVE TO ITS RIGHT POSITION AND PERFORMED OPS CHECK OF THE AIR BLEED SYSTEM IAW AMM 36-00-00 OPS CHECKED GOOD